Filter mounting mechanism for an optical assembly

Details Filter mounting mechanism for an optical assembly Filter mounting mechanism for an optical assembly

1984-03-20

1985-08-20

Henry, Jon W.

350257, G02B 700, G02B 520

Patent

active

045360570

ABSTRACT:
A filter mounting mechanism capable of attachment to and detachment from an optical assembly such as the interchangeable lens assembly of a single lens reflex camera is provided with a holding member arranged to rotatably carry a filter in such a manner that the filter may be rotated from externally of the optical assembly in order to enable adjustment of the filter. The mechanism includes a device for preventing the filter from becoming loosened while in use and the arrangement further operates to facilitate use of a thin film filter such as a gelatin filter in cases where such a filter is to be used by preparation and cutting thereof into a desired size and shape.

REFERENCES:
patent: 2898832 (1959-08-01), Schmuck

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